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Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Sec.c')
-rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Sec.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Sec.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Sec.c new file mode 100644 index 000000000..d9d3ff731 --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15x2/CTA15x2Sec.c @@ -0,0 +1,74 @@ +/** @file +* +* Copyright (c) 2011, ARM Limited. All rights reserved. +* +* This program and the accompanying materials +* are licensed and made available under the terms and conditions of the BSD License +* which accompanies this distribution. The full text of the license may be found at +* http://opensource.org/licenses/bsd-license.php +* +* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +* +**/ + +#include <Library/IoLib.h> +#include <Library/ArmPlatformLib.h> +#include <Library/DebugLib.h> +#include <Library/PcdLib.h> +#include <Drivers/PL310L2Cache.h> +#include <Drivers/SP804Timer.h> +#include <ArmPlatform.h> + +/** + Initialize the Secure peripherals and memory regions + + If Trustzone is supported by your platform then this function makes the required initialization + of the secure peripherals and memory regions. + +**/ +VOID +ArmPlatformTrustzoneInit ( + VOID + ) +{ + // No TZPC or TZASC on RTSM to initialize +} + +/** + Initialize controllers that must setup at the early stage + + Some peripherals must be initialized in Secure World. + For example, some L2x0 requires to be initialized in Secure World + +**/ +VOID +ArmPlatformSecInitialize ( + VOID + ) +{ + // Configure periodic timer (TIMER0) for 1MHz operation + MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER0_TIMCLK); + // Configure 1MHz clock + MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER1_TIMCLK); + // Configure SP810 to use 1MHz clock and disable + MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK); + // Configure SP810 to use 1MHz clock and disable + MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER3_EN, SP810_SYS_CTRL_TIMER3_TIMCLK); +} + +/** + Call before jumping to Normal World + + This function allows the firmware platform to do extra actions before + jumping to the Normal World + +**/ +VOID +ArmPlatformSecExtraAction ( + IN UINTN MpId, + OUT UINTN* JumpAddress + ) +{ + *JumpAddress = PcdGet32(PcdFvBaseAddress); +} |